Extension of metering pump capacity to 1000 l/hr
A
ProMinent Fluid Controls (UK) product story
Edited by the Engineeringtalk editorial team
Jul 19, 2000
The Sigma range of motor driven metering pumps from ProMinent Fluid Controls has been upgraded with the introduction of the Sigma/3.
The well established Sigma range of motor driven metering pumps from ProMinent Fluid Controls has been upgraded with the introduction of the Sigma/3.
The Sigma/3 not only extends the metering capacity to a maximum of 1000 l/hr but also features significantly improved microprocessor control and display functions.
A new method of metering control used in the Sigma/3 features a combination of frequency and on/off control.
At higher flow rates, metering is controlled by closed-loop speed control, while at lower dosing rates, a simple on/off system is used.
Switching between the two systems occurs completely automatically.
The pump has a capacity range of 145 to 1030 l/hr at a backpresssure of 12 to 4 bar.
Delivery capacity can be varied by adjusting the stroke length in 0.5% steps.
Metering reproducibility of + 2% can be achieved over stroke lengths of 30 - 100%.
The Sigma/3 also features a new LCD with large format characters and self-regulating illumination which allows easy reading of display values even under the most unfavourable lighting conditions.
There is also a direct readout of delivery volume, which is displayed in l/hr or US gal/hour.
Liquid ends are available in PVDF and stainless steel, allowing the pump to be used for an enormous range of fluids.
The liquid ends feature an integrated pressure relief valve for safety, which can be set to values of 4, 7, 10 or 12 bar.
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Contact ProMinent Fluid Controls (UK)
Tel +44 1530 560555
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